Article continues below advertisementDavid Beckham has spoken out for the first time after his son Brooklyn Beckham took to social media with a scathing message addressing his tension-filled relationship with his famous dad and mom, Victoria Beckham.The soccer legend appeared to address his and Brooklyn's estranged relationship during an appearance on the Tuesday, January 20, broadcast of CNBC's financial program Squawk Box, as he opened up about the negative affects social media can have on mental health - especially for kids.